From 624a33a61ea956662ce86b9279ad625bda9fbc7c Mon Sep 17 00:00:00 2001
From: link2xt <link2xt@testrun.org>
Date: Wed, 4 Jun 2025 19:23:45 +0000
Subject: [PATCH] Use static binary from official mtail release instead of
 Debian package

Debian has outdated version that does not actually work
with logs from stdin. It gets stuck after some time.
---
 cmdeploy/src/cmdeploy/__init__.py            | 23 +++++++++++++++++++-
 cmdeploy/src/cmdeploy/mtail/mtail.service.j2 |  2 +-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/cmdeploy/src/cmdeploy/__init__.py b/cmdeploy/src/cmdeploy/__init__.py
index f6a0b4b6..ad8c72b9 100644
--- a/cmdeploy/src/cmdeploy/__init__.py
+++ b/cmdeploy/src/cmdeploy/__init__.py
@@ -457,9 +457,30 @@ def check_config(config):
 
 
 def deploy_mtail(config):
+    # Uninstall mtail package, we are going to install a static binary.
     apt.packages(
-        name="Install mtail",
+        name="Uninstall mtail",
         packages=["mtail"],
+        present=False
+    )
+
+    (url, sha256sum) = {
+        "x86_64": (
+            "https://github.com/google/mtail/releases/download/v3.0.8/mtail_3.0.8_linux_amd64.tar.gz",
+            "123c2ee5f48c3eff12ebccee38befd2233d715da736000ccde49e3d5607724e4",
+        ),
+        "aarch64": (
+            "https://github.com/google/mtail/releases/download/v3.0.8/mtail_3.0.8_linux_arm64.tar.gz",
+            "aa04811c0929b6754408676de520e050c45dddeb3401881888a092c9aea89cae",
+        ),
+    }[host.get_fact(facts.server.Arch)]
+
+    server.shell(
+        name="Download mtail",
+        commands=[
+            f"(echo '{sha256sum} /usr/local/bin/mtail' | sha256sum -c) || (curl -L {url} | gunzip | tar -x -f - mtail -O >/usr/local/bin/mtail.new && mv /usr/local/bin/mtail.new /usr/local/bin/mtail)",
+            "chmod 755 /usr/local/bin/mtail",
+        ],
     )
 
     # Using our own systemd unit instead of `/usr/lib/systemd/system/mtail.service`.
diff --git a/cmdeploy/src/cmdeploy/mtail/mtail.service.j2 b/cmdeploy/src/cmdeploy/mtail/mtail.service.j2
index 3ada023c..42fcaac3 100644
--- a/cmdeploy/src/cmdeploy/mtail/mtail.service.j2
+++ b/cmdeploy/src/cmdeploy/mtail/mtail.service.j2
@@ -3,7 +3,7 @@ Description=mtail
 
 [Service]
 Type=simple
-ExecStart=/bin/sh -c "journalctl -f -o short-iso -n 0 | /usr/bin/mtail --address={{ address }} --port={{ port }} --progs /etc/mtail --logtostderr --logs /dev/stdin"
+ExecStart=/bin/sh -c "journalctl -f -o short-iso -n 0 | /usr/local/bin/mtail --address={{ address }} --port={{ port }} --progs /etc/mtail --logtostderr --logs -"
 Restart=on-failure
 
 [Install]